Obviously, rhetoric is commonly used in English speeches. It endows English speeches unique artistic charm. Because of the use of rhetoric in speeches, the language becomes more fascinating, humorous, vivid and colorful, which give audience deep impression. Simile, metaphor, parallelism，alliteration，repetition, antithesis ,rhetorical question are the most frequently used rhetorical devices in English speeches, which can achieve desired effects of English speeches. For the use of rhetoric in English speeches, orators can use the simplest language to express the most complex meaning, which makes the rhetoric fully express its charm.
From the analysis and study above, it can be found that the use of rhetorical devices contributes a lot to successful speeches. Rhetorical devices are the determinative factors in English speeches. Generally speaking, by analyzing and studying the use of rhetoric in speeches, more wonderful speeches can be appreciated and the quintessence of rhetoric can be grasped.
In a word, a successful speech needs ingenious using of rhetoric device. The function of rhetoric in English speeches is self-evident.
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I am deeply grateful to Mr. Chen Xi, my teacher, to whom I owe a great deal of gratitude and appreciation. Mr. Chen gave me many invaluable instructions and helped me much in every stage of my thesis writing. Without his consistent and illuminating instruction, this thesis could not have reached its present form.
And I also greatly appreciate the help coming from my family, for their unchangeable support for me during my studies and my preparation of my thesis.
I would like to offer my sincere gratitude to those who spend their precious time in reading this thesis.1527